This is an Arcteryx backpack. Silo 30 A backcountry backpack made with durable materials. The shoulder straps and waist belt are designed to allow for freedom of movement while still providing a secure fit. The main zipper opens wide, making it easy to access the contents. There are storage sleeves in the main pocket for items like a probe. There is an internal zippered pocket. It's great for day trips in the snowy mountains. It has been used, but it's still in good condition and should last for a while. Backcountry, snowy mountains, Arcteryx Backpack, Silo Size...30-45L 2511